AmaziBox

If you dont have filezilla then download it install new wordpress theme in your pc. But you need to change the generic wordpress themes with customized theme to make your blog beautiful and full of different functional qualities.
You can install your new wordpress theme with Filezilla which is recommended or the Cpanel which is the more tedious part. Option 1:How to install your New WordPress theme with FileZillaDownload your WordPress Theme and Unzip. Save in a location on your computer where you want.First, download the FTP which will be FileZilla and run. To access your web files, log in the FTP with your webhost address, your username, and password. The default Port connection is 21 but you can leave it empty. Then connect

As you will click on QuickConnect, at the bottom you will see two panels, the left hand side panel is your hard disk and the right hand side panel is your server.in the left hand side panel navigate to your main theme folder.click your saved WordPress Theme folder.Go over to the remote server on the right of the FTP and open the public_html folder, which have  your root document files. If you have installed your new wordpress theme on your domain, then you would see the wordpress files and folders and also the “theme” folder where the new wordpress theme should go.

Put your new   wordpress theme to the theme folder. The file transfer then starts.
After completing the file transfer, go to  your wordpress dashboard by logging in to your wordpress admin site with your username and password you provided when installing your wordpress software. now start  Designing it, then over to Theme and search for your New installed theme and activate. now it should be visible on your blog. If you are using older versions of wordpress you can activate your new installed theme by going to Presentation and then Theme.